1492 U.S. 27
Carrollton, GA 30117

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Sales: 888-834-9664

Used Cars: 877-876-2676

Hours Toggle

Sales Department

Sun Closed
Mon 8:00am – 6:00pm
Tue 8:00am – 6:00pm
Wed 8:00am – 6:00pm
Thu 8:00am – 6:00pm
Fri 8:00am – 6:00pm
Sat 8:00am – 6:00pm

Service Department

Sun Closed
Mon 8:00am – 6:00pm
Tue 8:00am – 6:00pm
Wed 8:00am – 6:00pm
Thu 8:00am – 6:00pm
Fri 8:00am – 6:00pm
Sat 8:00am – 3:00pm

Reviews of John Thornton Buick GMC

Overall Rating:

4.6 (out of 5)

93% recommend this dealer

476 total reviews

Showing the most recent reviews from Cars.com and DealerRater.

5.0 (out of 5)

Awesome experience.

Reviewed by FLASHG24July 09, 2025

Awesome experience. This was our second purchase from John Thorton. Nathan was great and made sure we got the exact SUV we were looking for, including what we wanted in it, and minus the things we didn’t want. No pressure just listening to what we wanted… thank you Nathan!

  • Does recommend this dealer
  • Shopped for a new car

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

5.0 (out of 5)

Absolutely the best, friendly dependable service.

Reviewed by sherri.mcewenJune 30, 2025

Absolutely the best, friendly dependable service. I would highly recommend John Thornton GMC. It is a pleasure doing business here.

  • Does recommend this dealer
  • Came in for service or repair

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

5.0 (out of 5)

It was a great experience buying.

Reviewed by Williamson June 10, 2025

It was a great experience buying. Luke worked hard to earn my business. Hopefully this will be our go to dealership from now on. Everyone there made the process very efficient and pleasant.

  • Does recommend this dealer
  • Shopped for a new car

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

About John Thornton Buick GMC

We would like to thank you for visiting our website and considering us for the purchase of your next new or pre-owned vehicle. It is our goal to provide you with an excellent purchase and ownership experience.

We know your time is valuable. We are sure you will find our site a fast and convenient way to research and find a vehicle that's right for you. If we can be of any assistance while visiting us online send us an email and we will promptly reply.

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